Character and Characteristic

Character

可数或不可数名词，指一个人或地方的一组特质，鲜有单数（a character）或复数（characters）形式。

Politeness is traditionally part of the British character.
It would be very out of character (= not typical) of her to lie.
One of the joys of being a parent is watching the child’s character develop.
The idea was to modernize various aspects of the house without changing its essential character.
It’s not in his character to be (= he is not usually) jealous.

Characteristic

可数名词，指某人或某物的一项特征。

Unfortunately a big nose is a family characteristic.
Sentimentality seems a characteristic of all the writers of that period.
The male bird displays (= has) several characteristics which distinguish him from the female.

 

To find more: Attribute and Trait

Source 参考: Cambridge.org/character, Cambridge.org/characteristic